Inventor · disambiguated record
Masataka Takeuchi
Also filed as: TAKEUCHI MASATAKA
48 granted patents·13 pending applications·2,752 citations·filing 1986–2022
98Inventor score
Top patents by PatentIndex Score
61 records- 0198US7396598B2Light emitting material and organic light-emitting deviceSHOWA DENKO KK·Filed 2002·Granted Jul 8, 2008·884 cites·19 claims
- 0298US7250226B2Phosphorescent compound, a phosphorescent composition and an organic light-emitting deviceSHOWA DENKO KK·Filed 2002·Granted Jul 31, 2007·966 cites·27 claims
- 0395US7763365B2Light emitting material and organic light-emitting deviceSHOWA DENKO KK·Filed 2008·Granted Jul 27, 2010·19 cites·8 claims
- 0495US6096456AFilm for a separator of electrochemical apparatus, and production method and use thereofSHOWA DENKO KK·Filed 1997·Granted Aug 1, 2000·156 cites·27 claims
- 0594US8388922B2Negative electrode material for lithium battery, and lithium batterySOTOWA CHIAKI·Filed 2011·Granted Mar 5, 2013·12 cites·4 claims
- 0694US8003257B2Method for producing anode for lithium secondary battery and anode composition, and lithium secondary batterySHOWA DENKO KK·Filed 2006·Granted Aug 23, 2011·20 cites·5 claims
- 0794US6190805B1Polymerizable compound, solid polymer electrolyte using the same and use thereofSHOWA DENKO KK·Filed 1998·Granted Feb 20, 2001·79 cites·34 claims
- 0893US9276257B2Method for producing anode for lithium secondary battery and anode composition, and lithium secondary batterySHOWA DENKO KK·Filed 2014·Granted Mar 1, 2016·6 cites·1 claims
- 0993US5597661ASolid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereofSHOWA DENKO KK·Filed 1994·Granted Jan 28, 1997·110 cites·30 claims
- 1091US6316563B2Thermopolymerizable composition and use thereofSHOWA DENKO KK·Filed 1998·Granted Nov 13, 2001·43 cites·8 claims
- 1191US5874184ASolid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereofSHOWA DENKO KK·Filed 1997·Granted Feb 23, 1999·77 cites·20 claims
- 1286US6562513B1Thermopolymerizable composition for battery useSHOWA DENKO KK·Filed 1999·Granted May 13, 2003·80 cites·18 claims
- 1385US5665490ASolid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereofSHOWA DENKO KK·Filed 1995·Granted Sep 9, 1997·78 cites·53 claims
- 1481US9543583B2Composite electrode materialSHOWA DENKO KK·Filed 2014·Granted Jan 10, 2017·2 cites·11 claims
- 1580US10109848B2Negative electrode material for lithium ion batteries and use thereofSHOWA DENKO KK·Filed 2014·Granted Oct 23, 2018·4 cites·10 claims
- 1677US7736757B2Light emitting material and organic light-emitting deviceSHOWA DENKO KK·Filed 2008·Granted Jun 15, 2010·3 cites·8 claims
- 1777US4740436ASecondary batterySHOWA DENKO KK·Filed 1986·Granted Apr 26, 1988·38 cites·10 claims
- 1876US8685362B2Method for producing anode for lithium secondary battery and anode composition, and lithium secondary batteryTAKEUCHI MASATAKA·Filed 2011·Granted Apr 1, 2014·2 cites·8 claims
- 1975US8747800B2Graphite material, carbon material for battery electrode, and batterySUDOH AKINORI·Filed 2006·Granted Jun 10, 2014·3 cites·8 claims
- 2073US9583760B2Method for producing negative electrode material for lithium ion batteriesSHOWA DENKO KK·Filed 2013·Granted Feb 28, 2017·1 cites·14 claims
- 2172US11031587B2Negative electrode material for lithium-ion batteries including non-flaky artificial graphite including silicon-containing particles, artificial graphite particles and carbonaceous materialSHOWA DENKO KK·Filed 2016·Granted Jun 8, 2021·1 cites·11 claims
- 2272US5051325ASecondary batterySHOWA DENKO KK·Filed 1988·Granted Sep 24, 1991·36 cites·15 claims
- 2371US7022264B2Polymerizable composition and use thereofSHOWA DENKO KK·Filed 2004·Granted Apr 4, 2006·10 cites·12 claims
- 2471US2022209223A1Powder, Electrode and Battery Comprising Such a PowderUMICORE NV·Filed 2022·Application pending·0 cites
- 2570US10693135B2Method for producing composite, and negative electrode material for lithium ion batterySHOWA DENKO KK·Filed 2014·Granted Jun 23, 2020·1 cites·18 claims
- 2670US9299978B2Negative electrode material for lithium batterySHOWA DENKO KK·Filed 2013·Granted Mar 29, 2016·1 cites·16 claims
- 2770US8999580B2Composite graphite particles and lithium rechargeable battery using the sameSOTOWA CHIAKI·Filed 2006·Granted Apr 7, 2015·2 cites·12 claims
- 2870US7572553B2High density electrode and battery using the electrodeSHOWA DENKO KK·Filed 2004·Granted Aug 11, 2009·9 cites·19 claims
- 2969US9059467B2Method for producing electrode material for lithium ion batteriesSHOWA DENKO KK·Filed 2012·Granted Jun 16, 2015·1 cites·10 claims
- 3067US9419281B2Carbon negative electrode material for lithium secondary battery, production method thereof and lithium secondary battery using the sameHAN KYUNG-HEE·Filed 2009·Granted Aug 16, 2016·1 cites·5 claims
- 3167US7635527B2Light emitting material and organic light-emitting deviceSHOWA DENKO KK·Filed 2008·Granted Dec 22, 2009·1 cites·6 claims
- 3266US9905839B2Composite electrode materialHYDRO QUEBEC·Filed 2014·Granted Feb 27, 2018·0 cites·4 claims
- 3365US6720109B1Secondary battery and material thereforSHOWA DENKO KK·Filed 2000·Granted Apr 13, 2004·8 cites·1 claims
- 3465US6306509B2Ion conductive laminate and production method and use thereofSHOWA DENKO KK·Filed 1997·Granted Oct 23, 2001·32 cites·25 claims
- 3564US8652361B2Composite electrode materialZAGHIB KARIM·Filed 2009·Granted Feb 18, 2014·0 cites·8 claims
- 3664US6878492B2Polymerizable composition and use thereofSHOWA DENKO KK·Filed 2001·Granted Apr 12, 2005·11 cites·18 claims
- 3760US4762644AElectroconductive polymer solution and manufacture of electroconductive article therefromSHOWA DENKO KK·Filed 1986·Granted Aug 9, 1988·14 cites·22 claims
- 3859US9240596B2Composite electrode materialZAGHIB KARIM·Filed 2009·Granted Jan 19, 2016·0 cites·24 claims
- 3959US7226695B2Method for producing composite material for electrode comprising quinoxaline based polymer, such material, electrode and battery using the sameSHOWA DENKO KK·Filed 2002·Granted Jun 5, 2007·5 cites·38 claims
- 4059US2013168610A1Carbon material for battery electrode and production method and use thereofSHOWA DENKO KK·Filed 2013·Application pending·0 cites
- 4157US8841029B2Negative electrode for lithium secondary battery, method for producing carbon-based negative electrode active material, lithium secondary battery and use thereofSOTOWA CHIAKI·Filed 2008·Granted Sep 23, 2014·0 cites·10 claims
- 4256US9368796B2Graphite material, carbon material for battery electrode, and batterySHOWA DENKO KK·Filed 2012·Granted Jun 14, 2016·0 cites·17 claims
- 4355US9614218B2Composite carbon particle and lithium-ion secondary cell using sameSHOWA DENKO KK·Filed 2013·Granted Apr 4, 2017·0 cites·20 claims
- 4454US11588148B2Powder, electrode and battery comprising such a powderUMICORE NV·Filed 2015·Granted Feb 21, 2023·0 cites·17 claims
- 4553US8080228B2Graphite material, carbon material for battery electrode, and batterySUDOH AKINORI·Filed 2010·Granted Dec 20, 2011·0 cites·8 claims
- 4652US6337153B1Sealed non-aqueous electrolyte cell having a casing of a sheet of laminated materialSANYO ELECTRIC CO·Filed 1998·Granted Jan 8, 2002·22 cites·14 claims
- 4752US2012196193A1Composite graphite particles and lithium secondary battery using the sameSOTOWA CHIAKI·Filed 2009·Application pending·0 cites
- 4851US2015303460A1Method for producing negative electrode material for lithium ion batteriesSHOWA DENKO KK·Filed 2013·Application pending·0 cites
- 4950US2007114486A1Electrically conductive magnetic fluid and use thereofSHOWA DENKO KK·Filed 2006·Application pending·0 cites
- 5050US2007275302A1Negative Electrode Material for Lithium Battery, and Lithium BatterySOTOWA CHIAKI·Filed 2004·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masataka Takeuchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →